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Scientific article
Open access
English

Reduction of artefacts caused by hip implants in CT-based attenuation-corrected PET images using 2-D interpolation of a virtual sinogram on an irregular grid

Published inEuropean journal of nuclear medicine and molecular imaging, vol. 38, no. 12, p. 2257-2268
Publication date2011
Abstract

Metallic prosthetic replacements, such as hip or knee implants, are known to cause strong streaking artefacts in CT images. These artefacts likely induce over- or underestimation of the activity concentration near the metallic implants when applying CT-based attenuation correction of positron emission tomography (PET) images. Since this degrades the diagnostic quality of the images, metal artefact reduction (MAR) prior to attenuation correction is required.

Keywords
  • Algorithms
  • Artifacts
  • Hip Joint/radiography/radionuclide imaging
  • Hip Prosthesis
  • Humans
  • Image Enhancement/methods
  • Image Interpretation, Computer-Assisted/methods
  • Metals
  • Positron-Emission Tomography/methods
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Tomography, X-Ray Computed/methods
Funding
  • Swiss National Science Foundation - 21850499
Citation (ISO format)
ABDOLI, Mehrsima et al. Reduction of artefacts caused by hip implants in CT-based attenuation-corrected PET images using 2-D interpolation of a virtual sinogram on an irregular grid. In: European journal of nuclear medicine and molecular imaging, 2011, vol. 38, n° 12, p. 2257–2268. doi: 10.1007/s00259-011-1900-3
Main files (1)
Article (Published version)
accessLevelPublic
Identifiers
ISSN of the journal1619-7070
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862downloads

Technical informations

Creation10/11/2012 1:56:00 PM
First validation10/11/2012 1:56:00 PM
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